NGK Iridium IX Spark Plug for Polaris 800 GMC The rear cylinder has the

The rear cylinder has the timing chain tensioner hole and knock sensor hole on opposing sides

part #: 420832351 (Needle Roller Bearing with Sleeves) and both Can-Am OEM thrust washers part #: 420427220 (Washer)

Defender XT HD8 2018

Hand finish Lapp valve Into Seat

After getting hit one too many times by rocks kicked up from the back tires and eating dirt from the front tires

NGK Iridium IX Spark Plug for Polaris 800 GMC The rear cylinder has theTrivalent metal plating provides superior anti corrosion and anti seizing properties Corrugated ribs prevent flashover Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer Copper core aids in heat removal Triple seals prevent leakage NGK IX Iridium Series plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium